Air Blow Check Valve (45AB)
Air Blow Check Valve (45AB) - Image 2


Air Blow Check Valve (45AB)



  • 316L stainless steel product-contact surfaces
  • Compatible with Wayland Y-ball check valves
  • Quick-connect, female NPT and hose-barb options
  • 145 PSI maximum operating pressure
  • 212°F maximum operating temperature
  • 3-A certified
45AB CAD Drawing PDF
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SKU: 45AB Categories: ,






Air Blow Check Valve (45AB)

Wayland 45AB air blow check valves introduce air into compatible Y-ball check-valve installations while preventing process flow from entering the air line. Choose the valve size and air connection that match the installation.

Features

  • 316L stainless steel product-contact surfaces
  • Compatible with Wayland Y-ball check valves
  • All wetted surfaces polished to a 32 Ra finish
  • EPDM stem seat and gasket
  • Quick-connect, female NPT and hose-barb air connection options
  • Field-serviceable design requiring no special tools
  • Maximum operating pressure: 145 PSI
  • Maximum operating temperature: 212°F
  • 3-A certified (58-02), authorization 3773
Air blow check valve cross-section drawings and product configurations

Dimensions & Configurations

Dimensions are in inches.

Size A B C
Quick-connect		 C
FNPT		 C
Hose barb
1-1/2" 1.98 1.30 1.26 0.6 1.7
2" 2.51 1.30 1.26 0.6 1.7
2-1/2" 3.05 1.30 1.26 0.6 1.7
3" 3.58 1.30 1.26 0.6 1.7
4" 4.68 1.30 1.26 0.6 1.7

Part Numbers by Connection

Valve size Quick-connect FNPT Hose barb
1-1/2" W645AB-1/15-QC W645AB-1/15-FNPT W645AB-1/15-HB
2" W645AB-2-QC W645AB-2-FNPT W645AB-2-HB
2-1/2" W645AB-25-QC W645AB-25-FNPT W645AB-25-HB
3" W645AB-3-QC W645AB-3-FNPT W645AB-3-HB
4" W645AB-4-QC W645AB-4-FNPT W645AB-4-HB

Y-Ball to Air Blow Valve Sizing

When pairing an air blow check valve with a Y-ball check valve, use the size pairing shown below.

Y-ball check valve size Air blow check valve size
1-1/2" 2"
2" 2-1/2"
2-1/2" 3"
3" 4"

Exploded View & Parts Identification

Exploded air blow check valve assembly with item numbers
Item Description Material Qty.
1A 1/4" Air Line Quick Connect 316L 1
1B 1/2" NPT Cap 316L 1
1C 1" Hose Barb 316L 1
2 Single Pin Clamp CF8 1
3 Valve Body 316L 1
4 Perforated Disc EPDM / 316L 1
4A Spring Retainer 304 1
4B Spring 304 1
4C Stem Guide Nylon 1
4D Stem and Plug 316L / EPDM 1

Product Support & Distributor Inquiries

Review the listed connection, size and operating specifications when selecting a check valve. Explore Air Blow Check Valve and the sanitary valve range, or contact Wayland for help identifying product documentation.

Technical SupportDistributor Inquiries




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